2217266020 has 48 divisors (see below), whose sum is σ = 4767336000. Its totient is φ = 865953920.

The previous prime is 2217265997. The next prime is 2217266087. The reversal of 2217266020 is 206627122.

It is a self number, because there is not a number n which added to its sum of digits gives 2217266020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169515 + ... + 182125.

It is an arithmetic number, because the mean of its divisors is an integer number (99319500).

Almost surely, 2^2217266020 is an apocalyptic number.

2217266020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2217266020 is an abundant number, since it is smaller than the sum of its proper divisors (2550069980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2217266020 is a wasteful number, since it uses less digits than its factorization.

2217266020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828 (or 12826 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2217266020 is about 47087.8542726253. The cubic root of 2217266020 is about 1303.9850144752.

The spelling of 2217266020 in words is "two billion, two hundred seventeen million, two hundred sixty-six thousand, twenty".